The hybrid concept for realization of an ultra-thin plasmonic metamaterial antireflection coating and plasmonic rainbow

Mehdi Keshavarz Hedayati, S. Fahr, C. Etrich, F. Faupel, C. Rockstuhl, M. Elbahri

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

We report on the design, simulation, fabrication, and characterization of a novel two layer anti-reflective coating (ARC) based on a plasmonic metamaterial and a dielectric. Promoted by the strong material dispersion of the plasmonic metamaterial, our novel concept (called hybrid ARC) combines two possible arrangements for layers in an anti-reflection coating into a single structure; albeit at two different wavelengths. This, however, causes a broadband reduction of reflection that is less sensitive against oblique incidence when compared to traditional antireflective coatings. Furthermore, we show that the current metamaterial on a metal reflector can be used for the visualization of different coloration such as plasmonic rainbow despite its sub-wavelength thickness. © 2014 the Partner Organisations.
Original languageEnglish
JournalNanoscale
Volume6
Issue number11
Pages (from-to)6037-6045
ISSN2040-3364
DOIs
Publication statusPublished - 2014
Externally publishedYes

Keywords

  • Materials Science (all)
  • Antireflection coatings
  • Coatings
  • Metamaterials
  • Anti reflective coatings
  • Hybrid concepts
  • Material dispersions
  • Oblique incidence
  • Plasmonic metamaterials
  • Single structure
  • Sub-wavelength
  • Two different wavelengths
  • Plasmons

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